CVE-2015-5307

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Summary

CVECVE-2015-5307
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-11-16 11:59:05 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.

Risk And Classification

Primary CVSS: v2.0 4.9 from [email protected]

AV:L/AC:L/Au:N/C:N/I:N/A:C

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 15.10 All All All
Operating System Debian Debian Linux 7.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Linux Linux Kernel All All All All
Application Oracle Vm Virtualbox All All All All
Application Oracle Vm Virtualbox All All All All
Application Oracle Vm Virtualbox All All All All
Application Oracle Vm Virtualbox All All All All
Application Oracle Vm Virtualbox All All All All
Operating System Xen Xen 4.3.0 All All All
Operating System Xen Xen 4.3.1 All All All
Operating System Xen Xen 4.3.2 All All All
Operating System Xen Xen 4.3.3 All All All
Operating System Xen Xen 4.3.4 All All All
Operating System Xen Xen 4.4.0 All All All
Operating System Xen Xen 4.4.1 All All All
Operating System Xen Xen 4.4.2 All All All
Operating System Xen Xen 4.4.3 All All All
Operating System Xen Xen 4.4.4 All All All
Operating System Xen Xen 4.5.0 All All All
Operating System Xen Xen 4.5.1 All All All
Operating System Xen Xen 4.5.2 All All All
Operating System Xen Xen 4.5.3 All All All
Operating System Xen Xen 4.5.5 All All All
Operating System Xen Xen 4.6.0 All All All
Operating System Xen Xen 4.6.1 All All All
Operating System Xen Xen 4.6.2 All All All
Operating System Xen Xen 4.6.3 All All All
Operating System Xen Xen 4.6.4 All All All
Operating System Xen Xen 4.6.5 All All All
Operating System Xen Xen 4.6.6 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Bug 1277172 – CVE-2015-5307 virt: guest to host DoS by triggering an infinite loop in microcode via #AC exception af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Third Party Advisory
oss-security - Re: CVE-2015-5307 kernel: kvm: guest to host DoS by triggering an infinite loop in microcode via #AC exception af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Vendor Advisory
USN-2801-1: Linux kernel vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Debian -- Security Information -- DSA-3396-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
2017-04 Security Bulletin: Multiple Vulnerabilities in NorthStar Controller Application before version 2.1.0 Service Pack 1. - Juniper Networks af854a3a-2127-422b-91ae-364da2661108 kb.juniper.net Third Party Advisory
USN-2806-1: Linux kernel (Vivid HWE) vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
[security-announce] SUSE-SU-2015:2194-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Oracle VM Server for x86 Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Vendor Advisory
USN-2803-1: Linux kernel vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
[security-announce] SUSE-SU-2016:2074-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[SECURITY] Fedora 21 Update: xen-4.4.3-8.fc21 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List, Third Party Advisory
USN-2804-1: Linux kernel (Trusty HWE) vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
openSUSE-SU-2015:2250-1: moderate: Security update for xen af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[SECURITY] Fedora 22 Update: xen-4.5.2-2.fc22 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List, Third Party Advisory
[SECURITY] Fedora 23 Update: xen-4.5.2-2.fc23 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List, Third Party Advisory
[security-announce] SUSE-SU-2015:2108-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
KVM: x86: work around infinite loop in microcode when #AC is delivered · torvalds/linux@54a2055 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Vendor Advisory
USN-2802-1: Linux kernel vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Debian -- Security Information -- DSA-3454-1 virtualbox af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
openSUSE-SU-2015:2232-1: moderate: Security update for the Linux Kernel af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
XSA-156 - Xen Security Advisories af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Vendor Advisory
Debian -- Security Information -- DSA-3414-1 xen af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
Oracle Critical Patch Update - January 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Patch, Vendor Advisory
Linux Kernel CVE-2015-5307 Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Citrix XenServer Security Update for CVE-2015-5307 and CVE-2015-8104 af854a3a-2127-422b-91ae-364da2661108 support.citrix.com Third Party Advisory
USN-2805-1: Linux kernel (Utopic HWE) vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
[security-announce] SUSE-SU-2015:2339-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[security-announce] SUSE-SU-2016:0354-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Oracle Linux Bulletin - January 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Vendor Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
USN-2800-1: Linux kernel vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Oracle Linux Bulletin - October 2015 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Vendor Advisory
[security-announce] SUSE-SU-2015:2350-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Xen Exception Handling Bugs Let Local Users on a Guest System Cause Denial of Service Conditions on the Host System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
USN-2807-1: Linux kernel (Wily HWE) vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Red Hat Customer Portal MITRE access.redhat.com
Red Hat Customer Portal - Access to 24x7 support and knowledge MITRE access.redhat.com
Red Hat Customer Portal MITRE access.redhat.com
Red Hat Customer Portal MITRE access.redhat.com
Red Hat Customer Portal MITRE access.redhat.com
Red Hat Customer Portal MITRE access.redhat.com
Red Hat Customer Portal MITRE access.redhat.com
CVE-2015-5307 - Red Hat Customer Portal MITRE access.redhat.com
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